11061840387 has 8 divisors (see below), whose sum is σ = 15883668304. Its totient is φ = 6807286368.

The previous prime is 11061840373. The next prime is 11061840397. The reversal of 11061840387 is 78304816011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11061840387 - 2⁶ = 11061840323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 283636933 = 11061840387 / (1 + 1 + 0 + 6 + 1 + 8 + 4 + 0 + 3 + 8 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11061840397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141818428 + ... + 141818505.

It is an arithmetic number, because the mean of its divisors is an integer number (1985458538).

Almost surely, 2^11061840387 is an apocalyptic number.

11061840387 is a deficient number, since it is larger than the sum of its proper divisors (4821827917).

11061840387 is a wasteful number, since it uses less digits than its factorization.

11061840387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283636949.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 11061840387 in words is "eleven billion, sixty-one million, eight hundred forty thousand, three hundred eighty-seven".